CN107668189A - A kind of smoked painting preservation method of low temperature that can extend hole hat pears storage time - Google Patents
A kind of smoked painting preservation method of low temperature that can extend hole hat pears storage time Download PDFInfo
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- CN107668189A CN107668189A CN201711085552.7A CN201711085552A CN107668189A CN 107668189 A CN107668189 A CN 107668189A CN 201711085552 A CN201711085552 A CN 201711085552A CN 107668189 A CN107668189 A CN 107668189A
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- pears
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- 150000008163 sugars Chemical class 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 229960000984 tocofersolan Drugs 0.000 description 1
- 235000019165 vitamin E Nutrition 0.000 description 1
- 229940046009 vitamin E Drugs 0.000 description 1
- 239000011709 vitamin E Substances 0.000 description 1
- 229940126572 wide-spectrum antibiotic Drugs 0.000 description 1
- 239000002076 α-tocopherol Substances 0.000 description 1
- 235000004835 α-tocopherol Nutrition 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23B—PRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
- A23B7/00—Preservation or chemical ripening of fruit or vegetables
- A23B7/14—Preserving or ripening with chemicals not covered by groups A23B7/08 or A23B7/10
- A23B7/144—Preserving or ripening with chemicals not covered by groups A23B7/08 or A23B7/10 in the form of gases, e.g. fumigation; Compositions or apparatus therefor
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23B—PRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
- A23B7/00—Preservation or chemical ripening of fruit or vegetables
- A23B7/16—Coating with a protective layer; Compositions or apparatus therefor
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23V—INDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
- A23V2002/00—Food compositions, function of food ingredients or processes for food or foodstuffs
Abstract
The present invention provides a kind of smoked painting preservation method of low temperature that can extend hole hat pears storage time, and described method comprises the following steps：S10, select fruit；S11, fruit precooling；S12, fruit are fumigated；S13, precooling treatment；S14, coating-film fresh-keeping；S15, packing processes.The technical problem to be solved in the invention, which is to provide, a kind of to be reduced moisture loss of the hole hat pears during refrigeration and normal-temperature shelf life, reduces casting skin incidence and rot, keeping bright and clean fresh, taste of fruit the smoked painting preservation method of low temperature that can extend hole hat pears storage time in fruit face.
Description
Technical field
The present invention relates to preserving fruit and vegetable utilizing field, and in particular to it is fresh-keeping that a kind of low temperature that can extend hole hat pears storage time smokes painting
Method.
Background technology
Qingyuan City hole hat pears are a kind of sand pears, are grown in the larger mountain region of the day and night temperature difference, and the thin juice of core is more, and sweet tea of feeling well is ancient without slag
When tribute, therefore also known as " tribute pears ".The rare precious fruit in Dong Guanlishi Qingyuan City Yangshan County.The rare treasure in hole Guan Lishi Yangshan Counties
Your fruit, its feature：First, fruit is very large, single fruit typically has 0.75-1.5 kilograms, and severe one is up to 2.5-3 kilograms;Fruit is straight
10-16 centimetres of footpath, it is high 10-12 centimetres；Second, pericarp is thin, smooth, meat tenderness succulence, taste is sweet, and sweet perfume (or spice) attacks people；Third, fruit core
Carefully, meat is pure white, after splitting deposit a couple of days will not change colour.According to《Yangshan county annals》Record：" hole hat pears are more than normal pears several times, in city
Good fruit." hole hat pears were cited as Guangdong Province's fancy fruit kind 1986 years.
Existing fruit freshness preserving is mainly deepfreeze and hypoxemia storage, though the fresh-keeping effect of this stored manner is good,
It is to need larger investment, and pears once fresh-keeping environments as disengaging are preced with hole（Condition）, it is placed on the shelf of normal temperature and sells,
Pericarp starts brown stain after several hours, substantially reduces its commodity value.The conventional fresh-keeping mode of another kind is to use plastics
Film, it all wraps up every fruit, allows it to maintain slow respiration.The shortcomings that this fresh-keeping mode is respiration of fruits
Heat is not easy to lose caused by process, and the time has grown fruit and can still rotted, and plastic sheeting is not degradable, easily pollutes environment.
Also a kind of conventional fresh-keeping mode is fresh-keeping to fruit progress using chemical preservative, such as takes diphenylamines, ethoxyquinoline
With 1- methyl cyclopropenes（1-MCP）Hole hat pears fruit after harvesting is handled.Preferably protected although chemical preservative has
Fresh effect, but chemical contamination caused by harmful substance residual be present in chemical treatment, it is also possible to after peculiar smell and fruit being present
The deficiency of ripe obstacle, in addition many synthetics confrontation healths have certain harm, serious meeting makes one carcinogenic, hexichol
Amine processing is disabled in some countries.Therefore as pollution-free food and environmental protection ideas are popularized, safe and efficient natural plants carry
Take the research and development of the antistaling agent and its preservation method of thing, it has also become the study hotspot of domestic and international preserving fruit and vegetable utilizing.
The content of the invention
The technical problem to be solved in the invention is to provide a kind of reduction hole and is preced with pears during refrigeration and normal-temperature shelf life
Moisture loss, reduce casting skin incidence and rot, keep bright and clean fresh, taste of fruit the hole hat pears that can extend in fruit face to store
The low temperature of time is smoked to apply preservation method.
In order to solve the above technical problems, the technical solution used in the present invention is as follows：When one kind can extend hole hat pears storage
Between low temperature it is smoked apply preservation method, the method described in it comprises the following steps：
S10, select fruit：Select 8~9 ripe epidermis no disease and pests harms, pears are preced with the hole without grazing damage；
S11, fruit precooling：Hole hat pears obtained by step S10 are divided into natural wind and are cooled to 15-25 DEG C in advance；
S12, fruit are fumigated：Hole hat pears after precooling are placed on closed room and fumigate 12~24h with 1-MCP；
S13, precooling treatment：Pears are preced with after room temperature 6-10h in hole obtained by step S12 and quickly carried out at precooling low temperature
Reason；
S14, coating-film fresh-keeping：The cryogenically treated hole hat pears of step S13 precoolings are subjected to coating-film fresh-keeping processing in good time；
S15, packing processes：The hole hat pears that step S13 sprayings Preservation Treatment is crossed are subjected to bag film packaging and are placed in 3~5 DEG C
Refrigerate placement processing.
Further, a kind of described low temperature that can extend hole hat pears storage time, which is smoked, applies preservation method, described in step S13
Precooling low-temperature treatment for hole be preced with pears be placed at 3~5 DEG C of temperature place cooling 12~24h.
Further, a kind of described low temperature that can extend hole hat pears storage time, which is smoked, applies preservation method, described in step S13
Coating-film fresh-keeping processing in used antistaling agent be preced with pears preservative specially for a kind of hole containing plant extracts, it includes vine tea
Extract, Rosmarinus officinalis extract, Honegsukle flower P.E, grape seed extract, chitosan, Tea Polyphenols, ε-polylysine, starch,
Glucose, food grade glycerin, water；The content of each component is in per 1000ml antistaling agents：
Ampelopsis grossedentata extrat, 60~90mg,
Rosmarinus officinalis extract, 40~60 mg,
Honegsukle flower P.E, 40~60 mg,
Grape seed extract, 20~40 mg,
Chitosan, 3~5 mg,
Tea Polyphenols, 4~10 mg,
ε-polylysine, 3~5mg,
Starch, 10~100mg,
The ml of food grade glycerin 1~2,
Water surplus.
Further, described a kind of hole hat pears preservative specially containing plant extracts, per in 1000ml antistaling agents
The content of each component is：
Ampelopsis grossedentata extrat, 80mg,
Rosmarinus officinalis extract, 50 mg,
Honegsukle flower P.E, 50 mg,
Grape seed extract, 30 mg,
Chitosan, 4mg,
Tea Polyphenols, 6 mg,
ε-polylysine, 4mg,
Starch, 60mg,
The ml of food grade glycerin 1.5,
Water surplus.
Further, a kind of described hole hat pears preservative specially containing plant extracts, this antistaling agent are applied to hole
The pre-treatment of pears refrigeration is preced with, or fruit moves into the pre-treatment of shelf after outbound；Antistaling agent needs matching while using.
The action effect of used primary raw material article is as follows in the present invention：
1-MCP：1- methyl cyclopropenes (1-methylcyclopropene, 1-MCP) are a cyclopropene compounds, in recent years
Come a kind of New Type of Ethylene acceptor inhibitor found, it can irreversibly act on ethylene receptor, so as to block with ethene just
Often combine, suppress a series of its biochemical reactions related to Fruit anatomy induced.Abroad, 1-MCP is as flowers
Fruit and vegetable fresh-keeping agent is widely used, and in the U.S., 1-MCP has been approved to be used for flowers, preserving fruit and vegetable utilizing.Due to its have it is nontoxic,
Low amounts, it is efficient the advantages that, have vast potential for future development on storage fruit and vegetable.
Ampelopsis grossedentata extrat：Dihydromyricetin is the extract of vitis spp vine tea, is the main active in vine tea
Flavone compound, such material, which has, removes a variety of peculiar effects such as free radical, anti-oxidant, antithrombotic, antitumor, anti-inflammatory；
And dihydromyricetin is a kind of more special flavone compound, alcoholism, prevention alcoholic liver, fatty liver, suppression are being released
Liver cell deterioration, the incidence of disease for reducing liver cancer, anti-hypertension, the formation for suppressing extracorporeal platelet aggregation and internal thrombus, reduction
Blood fat and blood sugar level, improving SOD activity and liver protecting etc. has special efficacy.Antibacterial action：Pharmacological evaluation table
Bright, dihydromyricetin is to Bacillus subtillis, staphylococcus aureus, detection of Salmonella, EHEC, aerobacteria, beer ferment
Female, glutinous rhodotorula, mould, aspergillus niger, aspergillus flavus, Mucor and head mold have bacteriostasis, especially to Grain-positive, Ge Lanyin
Property coccus or bacillus effect it is obvious.
Rosmarinus officinalis extract：Rosmarinus officinalis extract has well anti-oxidant, maintenance hair and other effects, by effectively improving
Activities of antioxidant enzymes in drosophila body, anti-lipid peroxidation, has the function that anti-aging.The major function of rosemary is to resist
Aoxidize, the National 863 planning item that University Of Science and Technology Of Tianjin undertakes, numbering 2007AA100401 achievement in research shows, rosemary
The mg/mL dosage groups of extract 3 are remarkably improved SOD and CAT vigor in drosophila body, reduce MDA contents.Rosmarinus officinalis extract can
To improve activities of antioxidant enzymes in drosophila body, anti-lipid peroxidation, there is anti-aging.In addition, rosemary extracts
Rosmarinic acid and carnosic acid in liquid have very strong compatibility with natural alicyclic organic, therefore, rosemary often with alicyclic organic knot
Congealed fat product is made in conjunction.For in general cleaning supplies after cleaning, the functional components of skin care can largely be flush with water loss,
The active ingredient of rosemary also produces compatibility affine with congealed fat while with skin epidermis, this compatibility surmounted with
The compatibility of water, therefore, during cleaning, most of active ingredient of rosemary still is able to be absorbed by the skin, and plays anti-
The effect of oxidation.In addition, the strong anti-oxidation of Rosmarinus officinalis extract can with effective stimulus scalp blood circulation, sterilizing and itch-relieving, because
This extensive utilization hair care products.
Honegsukle flower P.E：Honegsukle flower P.E, extracts from honeysuckle flower, and Main Ingredients and Appearance is chlorogenic acid.It can do
For medicine, health products, cosmetics raw material.It has the function that antibacterial and enhancing immunologic function：Experiment shows honeysuckle to wound
Cold bacillus, paratyphosum Bacterium, Escherichia coli, proteus, Pseudomonas aeruginosa, Bordetella pertussis, comma bacillus, staphylococcus, chain
Coccus, Diplococcus pneumopniae, meningococcus etc. have inhibitory action.
Grape seed extract：Grape seed extract is that isolated a kind of polyphenols is extracted from grape pip, main
To be made up of polyphenols such as OPC, catechin, epicatechin, gallic acid, L-Epicatechin gallates.
Wherein main component is that OPC has extremely strong activity, can suppress the carcinogenic substance in cigarette, to free radical in aqueous phase
Capturing ability is 2~7 times of general antioxidant, such as active higher more than twice than alpha-tocopherol；Grape seed extract is pure
Natural materials, it is one of most efficient antioxidant of the plant origin found so far, experiment shows, its antioxidant effect is dimension life
30~50 times of plain C and vitamin E.
Chitosan：Chitosan is made up of D- Glucosamines and a small amount of 2-acetylamino-2-deoxy-D-glucose, with glycosidic bond
The direct-connected polysaccharide connected, entitled β-(1~the 4) -2-amino-2-deoxy-D-Glucose of chemistry.Chitosan molecule contains work
Bold and vigorous hydroxyl and amino isopolarity group, are biocompatibility and the preferable oligosaccharide of water solubility, and it has good wide spectrum
Antibiotic property.
Tea Polyphenols：Tea Polyphenols has stronger antioxidation, especially ester catechin EGCG, and its reproducibility is even up to
100 times of the different bad hematic acid of L-.Among 4 kinds of major catechin compounds, oxidation resistance EGCG>EGC>ECG>EC>BHA, and
Antioxygenic property strengthens with the rise of temperature.Tea Polyphenols is in addition to antioxidation, also with bacteriostasis, such as to grape
Coccus, Escherichia coli, hay bacillus etc. have inhibitory action.Peculiar smell in the adsorbable food of Tea Polyphenols, therefore removed with certain
Smelly effect.There is protective effect to the pigment in food, it can both play a part of natural pigment, can prevent food from fading again,
Tea Polyphenols also has the formation and summation for suppressing nitrite.
ε-polylysine：Epsilon-polylysine is a kind of polypeptide with bacteriostasis efficacy, and this biological preservative is in the eighties
With regard to first Application in food antiseptic.Epsilon-polylysine can be decomposed into lysine in human body, and lysine is needed by human 8 kinds
One of amino acid, and the amino acid that countries in the world permission is strengthened in food.Therefore the polylysines of ε mono- are a kind of auxotype suppressions
Microbial inoculum, safe in other chemical preservatives, its acute oral toxicity is 5g/kg.Epsilon-polylysine antimicrobial spectrum is wide, for
Sharp candidiasis, method Rhodotorula sp, production film pichia yeast, the rose shadow yeast of saccharomyces；In gram-positive bacteria
Heat-resisting Bacillus stearothermophilus, bacillus coagulans, bacillus subtilis；Aerogenesis arthrobacterium, large intestine bar in Gram-negative bacteria
Bacterium etc. has obvious suppress with killing action .. polylysines to gram-positive micrococcus luteus, lactobacillus bulgaricus, heat
Streptococcus, gram-negative Escherichia coli, the growth of salmonella and saccharomycete have an obvious inhibition, polylysine with
Acetic acid complex reagent has obvious inhibiting effect to Bacillus subtillis.
Starch：Starch has in not soluble in water, water the characteristics of disperseing, 60~70 DEG C of swellings.It is often used as diluent, bonding
Agent, disintegrant, and can be used to prepare dextrin and starch slurry.
Food grade glycerin：The wherein optimum one kind-biology of food grade glycerine is refined glycerine, except containing glycerine, also ester
The reduced sugars such as class, glucose, belong to polyalcohols glycerine；In addition to moisturizing, humectation function, also with high activity, it is anti-oxidant,
Promote the special efficacies such as alcoholization.
The beneficial effects of the invention are as follows：
1st, a kind of smoked painting preservation method of low temperature that can extend hole hat pears storage time of the invention, preservation method is applied by the way that low temperature is smoked
Solve hole and be preced with fruit dehydration wilting, the brown stain casting skin that pears occur during Long-term Cold Storage and during shelf presence is sold
The problem of, i.e., outward appearance freshness decline the problem of, hole of the invention hat pears preservative specially be a kind of non-harmful product.This is fresh-keeping
Agent raw material is easy to get, preparation method is simple, cost is cheap, use when it is easy to operate, efficiently solve hole be preced with pears in refrigeration and normal temperature shelf
The problem of casting skin or tiger fur and dehydration during storage are wilted, reaches good fresh-keeping effect；
2nd, a kind of smoked painting preservation method of low temperature that can extend hole hat pears storage time of the present invention, wherein used hole hat pears are special
Material composition Ampelopsis grossedentata extrat, Rosmarinus officinalis extract, Honegsukle flower P.E, grape seed extract, the Tea Polyphenols that antistaling agent uses
It is a kind of natural, there is good antioxidant effect, the use of ε-polylysine, effectively suppression is coordinated with chitosan
Cavity preparation is preced with the respiratory intensity of pears, keeps the freshness of hole hat pear fruit, the physiological metabolism of delayed fruit, while preferably maintain
The nutritional ingredient of fruit, and nontoxic non-stimulated and antibacterial corrosion-resistant acts on.Starch and food grade glycerin are used cooperatively, hole
Pears are preced with after immersing the antistaling agent and air-drying, fruit surface can form the film of layer of transparent, can strengthen its epidermis protective action,
It is appropriate to block epidermis stomata, suppress respiration, reduce nutrition deterioration, suppress moisture evaporation, effectively prevent pericarp shrinkage, wither
It is listless, suppress microorganism invasion, prevent putrid and deteriorated, its effect is similar to individual packing, simple to operate, of good preservation effect, no dirt
Dye.Make the appearance looks elegant of fruit beautiful while fruit good taste is kept, drastically increase the shelf value of hole hat pears；
3rd, the antistaling agent application method is easy, it would be desirable to which the fruit of fresh-keeping hole hat pears dries in the air after antistaling agent soaks 4~6 minutes
It is dry, storage.Handled before pears refrigeration being preced with hole, or fruit is handled before moving into shelf after outbound；
4th, the antistaling agent removes easily from fruit, and need to only be immersed in clear water can just remove.And original used in the antistaling agent
Material meets food hygienic standard, and nontoxic, can directly eat need not remove antistaling agent, should even if not having when edible
Antistaling agent removes totally, will not also be detrimental to health；
5th, the present invention applies preservation method, we for the demand of fresh-keeping hole hat pears and the physilogical characteristics of hole hat pears using low temperature is smoked
Method can suppress a series of biochemical reactions related to hole hat pear fruit after-ripening is induced, and can be formed and protected on hole Guan Li surfaces again
Fresh film, the preservative film can be preced with pears with hole and together eat；It can control gas permeation, weaken the respiration of hole hat pears；Contain
Food-borne antipathogenic composition, prevent the rotten lesion of hole hat pears；Fresh-keeping hole hat pears time length, up to more than 180 days.
Embodiment
The present invention is made with reference to specific embodiment further to describe in detail.
Embodiment 1
A kind of smoked painting preservation method of low temperature that can extend hole hat pears storage time, the method described in it comprise the following steps：
S10, select fruit：Select 8 ripe epidermis no disease and pests harms, pears are preced with the hole without grazing damage；
S11, fruit precooling：Hole hat pears obtained by step S10 are divided into natural wind and are cooled to 15 DEG C in advance；
S12, fruit are fumigated：Hole hat pears after precooling are placed on closed room and fumigate 12 h with 1-MCP；
S13, precooling treatment：Pears are preced with after room temperature 6h in hole obtained by step S12 and quickly carry out precooling low-temperature treatment；
S14, coating-film fresh-keeping：The cryogenically treated hole hat pears of step S13 precoolings are subjected to coating-film fresh-keeping processing in good time；
S15, packing processes：The hole hat pears that step S13 sprayings Preservation Treatment is crossed are subjected to bag film packaging and are placed in 3 DEG C of refrigerations
Placement is handled.
Precooling low-temperature treatment described in step S13 is preced with pears for hole and is placed in placement cooling 12h at 3 DEG C of temperature.
Antistaling agent used is special for a kind of hole hat pears containing plant extracts in coating-film fresh-keeping processing described in step S13
With antistaling agent, it is more that it includes Ampelopsis grossedentata extrat, Rosmarinus officinalis extract, Honegsukle flower P.E, grape seed extract, chitosan, tea
Phenol, ε-polylysine, starch, glucose, food grade glycerin, water；The content of each component is in per 1000ml antistaling agents：
Ampelopsis grossedentata extrat, 60 mg,
Rosmarinus officinalis extract, 40 mg,
Honegsukle flower P.E, 40 mg,
Grape seed extract, 20 mg,
Chitosan, 3 mg,
Tea Polyphenols, 4mg,
ε-polylysine, 3 mg,
Starch, 10mg,
The ml of food grade glycerin 1,
Water surplus.
A kind of described hole hat pears preservative specially containing plant extracts, this antistaling agent are applied to hole hat pears and refrigerate it
Fruit moves into the pre-treatment of shelf after pre-treatment, or outbound；Antistaling agent needs matching while using.
Embodiment 2
A kind of smoked painting preservation method of low temperature that can extend hole hat pears storage time, the method described in it comprise the following steps：
S10, select fruit：Select 9 ripe epidermis no disease and pests harms, pears are preced with the hole without grazing damage；
S11, fruit precooling：Hole hat pears obtained by step S10 are divided into natural wind and are cooled to 25 DEG C in advance；
S12, fruit are fumigated：Hole hat pears after precooling are placed on closed room and fumigate 24h with 1-MCP；
S13, precooling treatment：Pears are preced with after room temperature 10h in hole obtained by step S12 and quickly carry out precooling low-temperature treatment；
S14, coating-film fresh-keeping：The cryogenically treated hole hat pears of step S13 precoolings are subjected to coating-film fresh-keeping processing in good time；
S15, packing processes：The hole hat pears progress bag film packaging that step S13 sprayings Preservation Treatment is crossed is placed in into 5 DEG C of refrigerations to put
Put processing.
A kind of described smoked painting preservation method of low temperature that can extend hole hat pears storage time, the precooling described in step S13 are low
Temperature processing is preced with pears for hole and is placed in placement cooling 24h at 5 DEG C of temperature.
A kind of described smoked painting preservation method of low temperature that can extend hole hat pears storage time, the film described in step S13 are protected
Antistaling agent used is preced with pears preservative specially for a kind of hole containing plant extracts in fresh processing, it include Ampelopsis grossedentata extrat,
Rosmarinus officinalis extract, Honegsukle flower P.E, grape seed extract, chitosan, Tea Polyphenols, ε-polylysine, starch, glucose,
Food grade glycerin, water；The content of each component is in per 1000ml antistaling agents：
Ampelopsis grossedentata extrat, 80mg,
Rosmarinus officinalis extract, 50 mg,
Honegsukle flower P.E, 50 mg,
Grape seed extract, 30 mg,
Chitosan, 4mg,
Tea Polyphenols, 6 mg,
ε-polylysine, 4mg,
Starch, 60mg,
The ml of food grade glycerin 1.5,
Water surplus.
A kind of described hole hat pears preservative specially containing plant extracts, this antistaling agent are applied to hole hat pears and refrigerate it
Fruit moves into the pre-treatment of shelf after pre-treatment, or outbound；Antistaling agent needs matching while using.
Embodiment 3
A kind of smoked painting preservation method of low temperature that can extend hole hat pears storage time, the method described in it comprise the following steps：
S10, select fruit：Select 8 ripe epidermis no disease and pests harms, pears are preced with the hole without grazing damage；
S11, fruit precooling：Hole hat pears obtained by step S10 are divided into natural wind and are cooled to 18 DEG C in advance；
S12, fruit are fumigated：Hole hat pears after precooling are placed on closed room and fumigate 18h with 1-MCP；
S13, precooling treatment：Pears are preced with after room temperature 8h in hole obtained by step S12 and quickly carry out precooling low-temperature treatment；
S14, coating-film fresh-keeping：The cryogenically treated hole hat pears of step S13 precoolings are subjected to coating-film fresh-keeping processing in good time；
S15, packing processes：The hole hat pears progress bag film packaging that step S13 sprayings Preservation Treatment is crossed is placed in into 4 DEG C of refrigerations to put
Put processing.
A kind of described smoked painting preservation method of low temperature that can extend hole hat pears storage time, the precooling described in step S13 are low
Temperature processing is preced with pears for hole and is placed in placement cooling 184h at 4 DEG C of temperature.
A kind of described smoked painting preservation method of low temperature that can extend hole hat pears storage time, the film described in step S13 are protected
Antistaling agent used is preced with pears preservative specially for a kind of hole containing plant extracts in fresh processing, it include Ampelopsis grossedentata extrat,
Rosmarinus officinalis extract, Honegsukle flower P.E, grape seed extract, chitosan, Tea Polyphenols, ε-polylysine, starch, glucose,
Food grade glycerin, water；The content of each component is in per 1000ml antistaling agents：
Ampelopsis grossedentata extrat, 80mg,
Rosmarinus officinalis extract, 45 mg,
Honegsukle flower P.E, 45 mg,
Grape seed extract, 25 mg,
Chitosan, 4 mg,
Tea Polyphenols, 6 mg,
ε-polylysine, 4mg,
Starch, 40mg,
Food grade glycerin 1ml,
Water surplus.
A kind of described hole hat pears preservative specially containing plant extracts, this antistaling agent are applied to hole hat pears and refrigerate it
Fruit moves into the pre-treatment of shelf after pre-treatment, or outbound；Antistaling agent needs matching while using.
Claims (5)
1. a kind of low temperature that can extend hole hat pears storage time smoked applies preservation method, it is characterised in that described method include with
Lower step：
S10, select fruit：Select 8~9 ripe epidermis no disease and pests harms, pears are preced with the hole without grazing damage；
S11, fruit precooling：Hole hat pears obtained by step S10 are divided into natural wind and are cooled to 15-25 DEG C in advance；
S12, fruit are fumigated：Hole hat pears after precooling are placed on closed room and fumigate 12~24h with 1-MCP；
S13, precooling treatment：Pears are preced with after room temperature 6-10h in hole obtained by step S12 and quickly carried out at precooling low temperature
Reason；
S14, coating-film fresh-keeping：The cryogenically treated hole hat pears of step S13 precoolings are subjected to coating-film fresh-keeping processing in good time；
S15, packing processes：The hole hat pears that step S13 sprayings Preservation Treatment is crossed are subjected to bag film packaging and are placed in 3~5 DEG C
Refrigerate placement processing.
2. a kind of smoked painting preservation method of low temperature that can extend hole hat pears storage time according to claim 1, its feature exist
In the precooling low-temperature treatment described in step S13 is preced with pears for hole and is placed in 12~24h of placement cooling at 3~5 DEG C of temperature.
3. a kind of smoked painting preservation method of low temperature that can extend hole hat pears storage time according to claim 1, its feature exist
In antistaling agent used is preced with the special guarantor of pears for a kind of hole containing plant extracts in the coating-film fresh-keeping processing described in step S13
Fresh dose, it include Ampelopsis grossedentata extrat, Rosmarinus officinalis extract, Honegsukle flower P.E, grape seed extract, chitosan, Tea Polyphenols, ε-
Polylysine, starch, glucose, food grade glycerin, water；The content of each component is in per 1000ml antistaling agents：
Ampelopsis grossedentata extrat, 60~90mg,
Rosmarinus officinalis extract, 40~60 mg,
Honegsukle flower P.E, 40~60 mg,
Grape seed extract, 20~40 mg,
Chitosan, 3~5 mg,
Tea Polyphenols, 4~10 mg,
ε-polylysine, 3~5mg,
Starch, 10~100mg,
The ml of food grade glycerin 1~2,
Water surplus.
A kind of 4. hole hat pears preservative specially containing plant extracts according to claim 3, it is characterised in that：Often
The content of each component is in 1000ml antistaling agents：
Ampelopsis grossedentata extrat, 80mg,
Rosmarinus officinalis extract, 50 mg,
Honegsukle flower P.E, 50 mg,
Grape seed extract, 30 mg,
Chitosan, 4mg,
Tea Polyphenols, 6 mg,
ε-polylysine, 4mg,
Starch, 60mg,
The ml of food grade glycerin 1.5,
Water surplus.
A kind of 5. hole hat pears preservative specially containing plant extracts according to claim 3, it is characterised in that：This
Antistaling agent is applied to the pre-treatment of hole hat pears refrigeration, or fruit moves into the pre-treatment of shelf after outbound；Antistaling agent needs current existing
Match somebody with somebody.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711085552.7A CN107668189A (en) | 2017-11-07 | 2017-11-07 | A kind of smoked painting preservation method of low temperature that can extend hole hat pears storage time |
Applications Claiming Priority (1)
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| CN201711085552.7A CN107668189A (en) | 2017-11-07 | 2017-11-07 | A kind of smoked painting preservation method of low temperature that can extend hole hat pears storage time |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109874859A (en) * | 2019-04-18 | 2019-06-14 | 余永 | A kind of van-type stone fruit edge of a field postharvest handling method and equipment |
| CN113995012A (en) * | 2021-09-30 | 2022-02-01 | 广西南亚热带农业科学研究所 | Method for preserving and storing macadimia nuts |
| CN114403213A (en) * | 2022-02-22 | 2022-04-29 | 河北省农林科学院石家庄果树研究所 | Method for prolonging refreshing time of Chinese pear |
-
2017
- 2017-11-07 CN CN201711085552.7A patent/CN107668189A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109874859A (en) * | 2019-04-18 | 2019-06-14 | 余永 | A kind of van-type stone fruit edge of a field postharvest handling method and equipment |
| CN113995012A (en) * | 2021-09-30 | 2022-02-01 | 广西南亚热带农业科学研究所 | Method for preserving and storing macadimia nuts |
| CN114403213A (en) * | 2022-02-22 | 2022-04-29 | 河北省农林科学院石家庄果树研究所 | Method for prolonging refreshing time of Chinese pear |
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